Home / 43,287.96-64,941.66-13,703.52

Finding the Fourth Proportional to 43,287.96, 64,941.66 and 13,703.52

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Solution

The fourth proportional to 43,287.96, 64,941.66 and 13,703.52 is: 20,558.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,287.96 : 64,941.66 = 13,703.52 : x
  2. Step 2: Convert to fraction form
    43,287.96/64,941.66 = 13,703.52/x
  3. Step 3: Cross multiply
    43,287.96x = 64,941.66 × 13,703.52
  4. Step 4: Simplify right side
    43,287.96x = 889,929,336.64
  5. Step 5: Solve for x
    x = 889,929,336.64/43,287.96
  6. Step 6: Final answer
    x = 20,558.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.